Fast-Acting Car Radiator Leak Repair Powder – Water Tank Sealer, Safe & Durable

Quick, Safe Radiator Leak Repair for Long-Lasting Seals

Our car water tank leak repair powder combines wood powder, wood chips, and metal corrosion inhibitors to quickly locate and seal leaks in radiators, heater cores, and antifreeze plugs. Perfect for vehicle maintenance, this fast-acting formula forms an ultra-thin, high-temperature and pressure-resistant sealing layer—ensuring durable, shock-resistant leaks protection for your car’s cooling system.

Easy to apply, this multi-purpose sealer works for DIY enthusiasts: 1. Cool the engine, remove the radiator cap. 2. Add powder to a moderately filled tank, then top up and reinstall the cap. 3. Run the engine for 15 minutes to circulate. Non-irritating and surface-safe, it protects metal parts without damage. For persistent leaks, repeat the process—keeping your radiator leak-free with minimal effort. Ideal for car care, rust protection, and reliable vehicle upkeep.